Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound west of Bailey Rd (Pittsburg). Lane affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on May 12, 2026 at 2:05 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

May 12, 7:05 AM

Last Updated

5 months, 2 weeks ago

May 12, 7:15 AM

Resolved

May 12, 1:30 PM

Coordinates

38.0220, -121.9602

Update History

2 observations

CHP : Traffic Hazard on CA-4 Westbound west of Bailey Rd (Pittsburg). Lane affected. Expect delays. May 12, 7:15 AM

CHP : Traffic Hazard on CA-4 Westbound west of Bailey Rd (Pittsburg). Lane affected. Expect delays. May 12, 7:00 AM

Source: 511_sfbay · ID 511.org/1493292 First seen May 12, 2026 7:00 AM